This is a solution for those people who are having the same problem as mine. Dashboard of car telling us: KEY LOW BATTERY.
In this example I use the CR2032 battery which is the original size of my Mitsubishi Montero Sports 2018 Car.
Disclaimer: You might need another size, if your car isn't the same as mine. Better check first to be sure, just watch the video to surely check the battery size.
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